/**
 * ITSWEBER CMS – Web Tools Plugin
 * Styling for tools overview page and individual tool pages.
 * Uses ITSWEBER theme CSS variables with fallbacks.
 *
 * @author  Benny Weber (ITSWEBER)
 * @version 1.0.0
 */

/* ═══════════════════════════════════════════════════════════════════
   1. Tools Section Base
   ═══════════════════════════════════════════════════════════════════ */
.tools-section {
    padding: 4rem 0;
}

/* ── Back Link ────────────────────────────────────────────────────── */
.tool-back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-primary, #15779b);
    text-decoration: none;
    margin-bottom: 1.5rem;
    transition: color var(--duration-base, 0.22s) var(--ease, cubic-bezier(0.4, 0, 0.2, 1));
}
.tool-back-link:hover {
    color: var(--color-primary-dark, #0f5f7d);
}
.tool-back-link svg {
    width: 16px;
    height: 16px;
    transition: transform var(--duration-base, 0.22s) var(--ease, cubic-bezier(0.4, 0, 0.2, 1));
}
.tool-back-link:hover svg {
    transform: translateX(-3px);
}

/* ═══════════════════════════════════════════════════════════════════
   2. Tool Page Header
   ═══════════════════════════════════════════════════════════════════ */
.tool-page-header {
    margin-bottom: 2rem;
}
.tool-page-title {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1.2;
    color: var(--color-text, #2b2b2b);
    margin: 0 0 0.5rem;
}
.tool-page-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md, 8px);
    background: linear-gradient(135deg, var(--color-primary, #15779b), var(--color-primary-dark, #0f5f7d));
    color: #fff;
    box-shadow: var(--shadow-brand, 0 6px 20px rgba(21, 119, 155, 0.20));
    flex-shrink: 0;
}
.tool-page-icon svg {
    width: 20px;
    height: 20px;
}
.tool-page-desc {
    color: var(--color-text-muted, #999999);
    font-size: 1rem;
    line-height: 1.6;
    max-width: 640px;
    margin: 0;
}

/* ═══════════════════════════════════════════════════════════════════
   3. Tool Cards Grid (Overview Page)
   ═══════════════════════════════════════════════════════════════════ */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
}

/* ── Card ─────────────────────────────────────────────────────────── */
.tool-card {
    position: relative;
    display: flex;
    flex-direction: column;
    border: 1px solid var(--color-border, #efefef);
    border-radius: var(--radius-lg, 12px);
    padding: 1.75rem;
    background: var(--color-bg, #ffffff);
    overflow: hidden;
    transition:
        box-shadow var(--duration-base, 0.22s) var(--ease, cubic-bezier(0.4, 0, 0.2, 1)),
        transform var(--duration-base, 0.22s) var(--ease, cubic-bezier(0.4, 0, 0.2, 1));
}
.tool-card:hover {
    box-shadow: var(--shadow-md, 0 4px 16px rgba(0, 0, 0, 0.08));
    transform: translateY(-3px);
}

/* Accent bar on top */
.tool-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary, #15779b), var(--color-primary-light, #2ea3f2));
    opacity: 0;
    transition: opacity var(--duration-base, 0.22s) var(--ease, cubic-bezier(0.4, 0, 0.2, 1));
}
.tool-card:hover::before {
    opacity: 1;
}

/* ── Card Parts ───────────────────────────────────────────────────── */
.tool-card-category {
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-primary, #15779b);
    opacity: 0.7;
    margin: 0 0 0.75rem;
}
.tool-card-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md, 8px);
    background: var(--color-primary-bg, #e8f4fb);
    color: var(--color-primary, #15779b);
    margin-bottom: 1rem;
    transition:
        background var(--duration-base, 0.22s) var(--ease, cubic-bezier(0.4, 0, 0.2, 1)),
        color var(--duration-base, 0.22s) var(--ease, cubic-bezier(0.4, 0, 0.2, 1));
}
.tool-card-icon svg {
    width: 24px;
    height: 24px;
}
.tool-card:hover .tool-card-icon {
    background: var(--color-primary, #15779b);
    color: #fff;
}
.tool-card-title {
    font-size: 1.0625rem;
    font-weight: 700;
    color: var(--color-text, #2b2b2b);
    margin: 0 0 0.5rem;
}
.tool-card-desc {
    font-size: 0.875rem;
    line-height: 1.55;
    color: var(--color-text-muted, #999999);
    margin: 0 0 1.25rem;
    flex: 1;
}
.tool-card-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-primary, #15779b);
    border: 1px solid var(--color-primary, #15779b);
    border-radius: var(--radius-md, 8px);
    padding: 0.5rem 1rem;
    background: transparent;
    cursor: pointer;
    text-decoration: none;
    transition:
        background var(--duration-base, 0.22s) var(--ease, cubic-bezier(0.4, 0, 0.2, 1)),
        color var(--duration-base, 0.22s) var(--ease, cubic-bezier(0.4, 0, 0.2, 1));
    align-self: flex-start;
}
.tool-card-btn:hover {
    background: var(--color-primary, #15779b);
    color: #fff;
}
.tool-card-btn svg {
    width: 14px;
    height: 14px;
    transition: transform var(--duration-base, 0.22s) var(--ease, cubic-bezier(0.4, 0, 0.2, 1));
}
.tool-card-btn:hover svg {
    transform: translateX(3px);
}

/* ═══════════════════════════════════════════════════════════════════
   4. Drop Zone
   ═══════════════════════════════════════════════════════════════════ */
.tool-dropzone {
    position: relative;
    border: 2px dashed var(--color-border, #efefef);
    border-radius: var(--radius-lg, 12px);
    padding: 3rem 1.5rem;
    text-align: center;
    cursor: pointer;
    background: var(--color-bg, #ffffff);
    transition:
        border-color var(--duration-base, 0.22s) var(--ease, cubic-bezier(0.4, 0, 0.2, 1)),
        background var(--duration-base, 0.22s) var(--ease, cubic-bezier(0.4, 0, 0.2, 1));
}
.tool-dropzone:hover,
.tool-dropzone.dragover {
    border-color: var(--color-primary, #15779b);
    background: var(--color-primary-bg, #e8f4fb);
}
.tool-dropzone-icon {
    display: flex;
    justify-content: center;
    margin-bottom: 0.75rem;
}
.tool-dropzone-icon svg {
    width: 40px;
    height: 40px;
    color: var(--color-text-muted, #999999);
    transition: color var(--duration-base, 0.22s) var(--ease, cubic-bezier(0.4, 0, 0.2, 1));
}
.tool-dropzone:hover .tool-dropzone-icon svg,
.tool-dropzone.dragover .tool-dropzone-icon svg {
    color: var(--color-primary, #15779b);
}
.tool-dropzone-text {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-text, #2b2b2b);
    margin: 0 0 0.25rem;
}
.tool-dropzone-hint {
    font-size: 0.8125rem;
    color: var(--color-text-muted, #999999);
    margin: 0 0 1rem;
}
.tool-dropzone-formats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}
.tool-format-badge {
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--color-text-light, #666666);
    background: var(--color-bg-alt, #f4f4f4);
    border-radius: var(--radius-sm, 4px);
    padding: 0.2rem 0.5rem;
}
.tool-file-input {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}

/* ═══════════════════════════════════════════════════════════════════
   5. Settings Card
   ═══════════════════════════════════════════════════════════════════ */
.tool-settings {
    background: var(--color-bg, #ffffff);
    border: 1px solid var(--color-border, #efefef);
    border-radius: var(--radius-lg, 12px);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}
.tool-settings h3 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-text, #2b2b2b);
    border-left: 3px solid var(--color-primary, #15779b);
    padding-left: 0.75rem;
    margin: 0 0 1.25rem;
}
.tool-settings-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

/* ═══════════════════════════════════════════════════════════════════
   6. Form Fields
   ═══════════════════════════════════════════════════════════════════ */
.tool-field {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
}
.tool-field label {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-text, #2b2b2b);
}
.tool-field select,
.tool-field input[type="text"],
.tool-field input[type="number"],
.tool-field input[type="url"],
.tool-field input[type="email"],
.tool-field input[type="color"] {
    width: 100%;
    min-height: 44px;
    padding: 0.5rem 0.75rem;
    font-size: 0.875rem;
    color: var(--color-text, #2b2b2b);
    background: var(--color-bg, #ffffff);
    border: 1px solid var(--color-border, #efefef);
    border-radius: var(--radius-md, 8px);
    outline: none;
    transition:
        border-color var(--duration-base, 0.22s) var(--ease, cubic-bezier(0.4, 0, 0.2, 1)),
        box-shadow var(--duration-base, 0.22s) var(--ease, cubic-bezier(0.4, 0, 0.2, 1));
}
.tool-field select:focus,
.tool-field input[type="text"]:focus,
.tool-field input[type="number"]:focus,
.tool-field input[type="url"]:focus,
.tool-field input[type="email"]:focus,
.tool-field input[type="color"]:focus {
    border-color: var(--color-primary, #15779b);
    box-shadow: 0 0 0 3px rgba(21, 119, 155, 0.12);
}
.tool-field textarea {
    width: 100%;
    min-height: 120px;
    padding: 0.75rem;
    font-size: 0.875rem;
    color: var(--color-text, #2b2b2b);
    background: var(--color-bg, #ffffff);
    border: 1px solid var(--color-border, #efefef);
    border-radius: var(--radius-md, 8px);
    outline: none;
    resize: vertical;
    transition:
        border-color var(--duration-base, 0.22s) var(--ease, cubic-bezier(0.4, 0, 0.2, 1)),
        box-shadow var(--duration-base, 0.22s) var(--ease, cubic-bezier(0.4, 0, 0.2, 1));
}
.tool-field textarea:focus {
    border-color: var(--color-primary, #15779b);
    box-shadow: 0 0 0 3px rgba(21, 119, 155, 0.12);
}

/* ── Range Slider ─────────────────────────────────────────────────── */
.tool-slider {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: var(--color-bg-alt, #f4f4f4);
    outline: none;
    margin: 0.5rem 0;
}
.tool-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--color-primary, #15779b);
    cursor: pointer;
    border: 2px solid #fff;
    box-shadow: var(--shadow-sm, 0 2px 6px rgba(0, 0, 0, 0.07));
    transition: box-shadow var(--duration-base, 0.22s) var(--ease, cubic-bezier(0.4, 0, 0.2, 1));
}
.tool-slider::-webkit-slider-thumb:hover {
    box-shadow: var(--shadow-brand, 0 6px 20px rgba(21, 119, 155, 0.20));
}
.tool-slider::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--color-primary, #15779b);
    cursor: pointer;
    border: 2px solid #fff;
    box-shadow: var(--shadow-sm, 0 2px 6px rgba(0, 0, 0, 0.07));
}
.tool-slider::-moz-range-thumb:hover {
    box-shadow: var(--shadow-brand, 0 6px 20px rgba(21, 119, 155, 0.20));
}

/* ═══════════════════════════════════════════════════════════════════
   7. Action Buttons
   ═══════════════════════════════════════════════════════════════════ */
.btn-tool-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-size: 0.9375rem;
    font-weight: 600;
    color: #fff;
    background: linear-gradient(135deg, var(--color-primary, #15779b), var(--color-primary-dark, #0f5f7d));
    border: none;
    border-radius: var(--radius-md, 8px);
    box-shadow: var(--shadow-brand, 0 6px 20px rgba(21, 119, 155, 0.20));
    cursor: pointer;
    text-decoration: none;
    transition:
        transform var(--duration-base, 0.22s) var(--ease, cubic-bezier(0.4, 0, 0.2, 1)),
        box-shadow var(--duration-base, 0.22s) var(--ease, cubic-bezier(0.4, 0, 0.2, 1));
}
.btn-tool-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(21, 119, 155, 0.30);
}
.btn-tool-primary:active {
    transform: translateY(0);
}
.btn-tool-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}
.btn-tool-primary svg {
    width: 18px;
    height: 18px;
}

.btn-tool-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--color-text, #2b2b2b);
    background: var(--color-bg, #ffffff);
    border: 1px solid var(--color-border, #efefef);
    border-radius: var(--radius-md, 8px);
    cursor: pointer;
    text-decoration: none;
    transition:
        border-color var(--duration-base, 0.22s) var(--ease, cubic-bezier(0.4, 0, 0.2, 1)),
        color var(--duration-base, 0.22s) var(--ease, cubic-bezier(0.4, 0, 0.2, 1));
}
.btn-tool-secondary:hover {
    border-color: var(--color-primary, #15779b);
    color: var(--color-primary, #15779b);
}
.btn-tool-secondary svg {
    width: 18px;
    height: 18px;
}

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.8125rem;
}
.btn-sm svg {
    width: 14px;
    height: 14px;
}

/* ═══════════════════════════════════════════════════════════════════
   8. Results
   ═══════════════════════════════════════════════════════════════════ */
.tool-results {
    background: var(--color-bg, #ffffff);
    border: 1px solid var(--color-border, #efefef);
    border-radius: var(--radius-lg, 12px);
    overflow: hidden;
}
.tool-results-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--color-border, #efefef);
}
.tool-results-title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-text, #2b2b2b);
    margin: 0;
}
.tool-results-title .badge {
    display: inline-flex;
    align-items: center;
    font-size: 0.6875rem;
    font-weight: 600;
    padding: 0.2rem 0.625rem;
    border-radius: 999px;
    background: rgba(34, 197, 94, 0.1);
    color: #16a34a;
}

/* ── Result Row ───────────────────────────────────────────────────── */
.tool-result-row {
    display: grid;
    grid-template-columns: 40px 1fr auto auto auto auto;
    gap: 1rem;
    align-items: center;
    padding: 0.875rem 1.5rem;
    border-bottom: 1px solid var(--color-border, #efefef);
    font-size: 0.875rem;
}
.tool-result-row:last-child {
    border-bottom: none;
}
.tool-result-thumb {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm, 4px);
    background: var(--color-bg-alt, #f4f4f4);
    object-fit: cover;
}
.tool-result-name {
    font-weight: 600;
    color: var(--color-text, #2b2b2b);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.tool-result-original,
.tool-result-new {
    color: var(--color-text-light, #666666);
    white-space: nowrap;
}
.tool-result-savings {
    display: inline-flex;
    align-items: center;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.2rem 0.5rem;
    border-radius: 999px;
    background: rgba(34, 197, 94, 0.1);
    color: #16a34a;
    white-space: nowrap;
}
.tool-result-download {
    display: inline-flex;
    align-items: center;
    justify-content: center;
}
.tool-result-download a {
    color: var(--color-primary, #15779b);
    text-decoration: none;
}
.tool-result-download a:hover {
    color: var(--color-primary-dark, #0f5f7d);
}

/* ═══════════════════════════════════════════════════════════════════
   9. Split View (Markdown, Text Diff)
   ═══════════════════════════════════════════════════════════════════ */
.tool-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
}
.tool-split-panel {
    border: 1px solid var(--color-border, #efefef);
    border-radius: var(--radius-lg, 12px);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}
.tool-split-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.625rem 1rem;
    background: var(--color-bg-alt, #f4f4f4);
    border-bottom: 1px solid var(--color-border, #efefef);
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-text-light, #666666);
}
.tool-split-header .tab {
    padding: 0.25rem 0.625rem;
    border-radius: var(--radius-sm, 4px);
    cursor: pointer;
    transition: background var(--duration-base, 0.22s) var(--ease, cubic-bezier(0.4, 0, 0.2, 1));
}
.tool-split-header .tab:hover {
    background: var(--color-bg, #ffffff);
}
.tool-split-header .tab.active {
    background: var(--color-bg, #ffffff);
    color: var(--color-primary, #15779b);
    font-weight: 700;
}
.tool-split-body {
    padding: 1rem;
    min-height: 300px;
    flex: 1;
}
.tool-split textarea {
    width: 100%;
    height: 100%;
    min-height: 300px;
    border: none;
    outline: none;
    resize: vertical;
    font-size: 0.875rem;
    line-height: 1.6;
    color: var(--color-text, #2b2b2b);
    background: transparent;
    font-family: inherit;
}
.tool-split textarea:focus {
    outline: none;
}

/* ═══════════════════════════════════════════════════════════════════
   10. Color Palette
   ═══════════════════════════════════════════════════════════════════ */
.tool-palette {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}
.tool-palette-swatch {
    border-radius: var(--radius-md, 8px);
    overflow: hidden;
    border: 1px solid var(--color-border, #efefef);
    cursor: pointer;
    transition:
        box-shadow var(--duration-base, 0.22s) var(--ease, cubic-bezier(0.4, 0, 0.2, 1)),
        transform var(--duration-base, 0.22s) var(--ease, cubic-bezier(0.4, 0, 0.2, 1));
}
.tool-palette-swatch:hover {
    box-shadow: var(--shadow-md, 0 4px 16px rgba(0, 0, 0, 0.08));
    transform: translateY(-2px);
}
.tool-palette-color {
    width: 100%;
    height: 80px;
}
.tool-palette-values {
    padding: 0.5rem 0.625rem;
    font-size: 0.75rem;
    line-height: 1.5;
}
.tool-palette-values .hex,
.tool-palette-values .rgb {
    font-family: "SF Mono", "Cascadia Code", "Fira Code", monospace;
    color: var(--color-text-light, #666666);
    display: block;
}

/* ═══════════════════════════════════════════════════════════════════
   11. QR Code Preview
   ═══════════════════════════════════════════════════════════════════ */
.tool-qr-preview {
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--color-border, #efefef);
    border-radius: var(--radius-lg, 12px);
    padding: 2rem;
    background: var(--color-bg-section, #f9f9f9);
}
.tool-qr-canvas {
    display: block;
    margin: 0 auto;
}

/* ═══════════════════════════════════════════════════════════════════
   12. Gradient Preview
   ═══════════════════════════════════════════════════════════════════ */
.tool-gradient-preview {
    height: 300px;
    border-radius: var(--radius-lg, 12px);
    border: 1px solid var(--color-border, #efefef);
    margin-bottom: 1rem;
}
.tool-gradient-code {
    position: relative;
    font-family: "SF Mono", "Cascadia Code", "Fira Code", monospace;
    font-size: 0.8125rem;
    line-height: 1.5;
    color: var(--color-text, #2b2b2b);
    background: var(--color-bg-alt, #f4f4f4);
    padding: 1rem 3.5rem 1rem 1rem;
    border-radius: var(--radius-md, 8px);
    word-break: break-all;
}
.tool-copy-btn {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: var(--color-bg, #ffffff);
    border: 1px solid var(--color-border, #efefef);
    border-radius: var(--radius-sm, 4px);
    cursor: pointer;
    color: var(--color-text-muted, #999999);
    transition:
        color var(--duration-base, 0.22s) var(--ease, cubic-bezier(0.4, 0, 0.2, 1)),
        border-color var(--duration-base, 0.22s) var(--ease, cubic-bezier(0.4, 0, 0.2, 1));
}
.tool-copy-btn:hover {
    color: var(--color-primary, #15779b);
    border-color: var(--color-primary, #15779b);
}
.tool-copy-btn svg {
    width: 16px;
    height: 16px;
}

/* ═══════════════════════════════════════════════════════════════════
   13. Meta Tag Preview
   ═══════════════════════════════════════════════════════════════════ */

/* ── Google Preview ───────────────────────────────────────────────── */
.tool-meta-google {
    max-width: 600px;
    padding: 1.25rem;
    border: 1px solid var(--color-border, #efefef);
    border-radius: var(--radius-md, 8px);
    background: var(--color-bg, #ffffff);
    margin-bottom: 1.25rem;
}
.tool-meta-google-title {
    font-size: 1.125rem;
    font-weight: 400;
    color: #1a0dab;
    line-height: 1.3;
    margin: 0 0 0.25rem;
    cursor: pointer;
}
.tool-meta-google-title:hover {
    text-decoration: underline;
}
.tool-meta-google-url {
    font-size: 0.8125rem;
    color: #006621;
    line-height: 1.4;
    margin: 0 0 0.25rem;
}
.tool-meta-google-desc {
    font-size: 0.8125rem;
    color: #545454;
    line-height: 1.5;
    margin: 0;
}

/* ── Facebook / OG Preview ────────────────────────────────────────── */
.tool-meta-og {
    max-width: 527px;
    border: 1px solid #dadde1;
    border-radius: var(--radius-sm, 4px);
    overflow: hidden;
    background: var(--color-bg-alt, #f4f4f4);
    margin-bottom: 1.25rem;
}
.tool-meta-og-image {
    width: 100%;
    aspect-ratio: 1.91 / 1;
    background: var(--color-bg-section, #f9f9f9);
    object-fit: cover;
    display: block;
}
.tool-meta-og-body {
    padding: 0.75rem;
}
.tool-meta-og-domain {
    font-size: 0.75rem;
    text-transform: uppercase;
    color: #606770;
    margin: 0 0 0.25rem;
}
.tool-meta-og-title {
    font-size: 1rem;
    font-weight: 600;
    color: #1d2129;
    line-height: 1.3;
    margin: 0 0 0.25rem;
}
.tool-meta-og-desc {
    font-size: 0.875rem;
    color: #606770;
    line-height: 1.4;
    margin: 0;
}

/* ═══════════════════════════════════════════════════════════════════
   14. Responsive
   ═══════════════════════════════════════════════════════════════════ */
@media (max-width: 992px) {
    .tools-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .tool-split {
        grid-template-columns: 1fr;
    }
    .tool-settings-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .tool-result-row {
        grid-template-columns: 40px 1fr auto auto;
    }
    .tool-result-original {
        display: none;
    }
}

@media (max-width: 640px) {
    .tools-section {
        padding: 2.5rem 0;
    }
    .tools-grid {
        grid-template-columns: 1fr;
    }
    .tool-settings-grid {
        grid-template-columns: 1fr;
    }
    .tool-result-row {
        grid-template-columns: 40px 1fr auto;
        gap: 0.75rem;
    }
    .tool-result-original,
    .tool-result-new {
        display: none;
    }
    .tool-dropzone {
        padding: 2rem 1rem;
    }
    .tool-gradient-preview {
        height: 200px;
    }
    .tool-meta-og {
        max-width: 100%;
    }
    .tool-meta-google {
        max-width: 100%;
    }
}

/* ═══════════════════════════════════════════════════════════════════
   15. Tool Actions Section
   ═══════════════════════════════════════════════════════════════════ */
.tool-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1.25rem 0;
    flex-wrap: wrap;
}

/* ═══════════════════════════════════════════════════════════════════
   16. Icon Button (small square button)
   ═══════════════════════════════════════════════════════════════════ */
.btn-tool-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md, 8px);
    border: 1px solid var(--color-border, #efefef);
    background: var(--color-bg, #ffffff);
    color: var(--color-text-muted, #999999);
    cursor: pointer;
    padding: 0;
    transition:
        color var(--duration-base, 0.22s) var(--ease, cubic-bezier(0.4, 0, 0.2, 1)),
        border-color var(--duration-base, 0.22s) var(--ease, cubic-bezier(0.4, 0, 0.2, 1)),
        background var(--duration-base, 0.22s) var(--ease, cubic-bezier(0.4, 0, 0.2, 1));
}
.btn-tool-icon:hover {
    color: var(--color-primary, #15779b);
    border-color: var(--color-primary, #15779b);
    background: var(--color-primary-bg, #e8f4fb);
}

/* ═══════════════════════════════════════════════════════════════════
   17. Tool Preview (image/file preview)
   ═══════════════════════════════════════════════════════════════════ */
.tool-preview {
    background: var(--color-bg, #ffffff);
    border: 1px solid var(--color-border, #efefef);
    border-radius: var(--radius-lg, 12px);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    text-align: center;
}
.tool-preview-image {
    display: flex;
    justify-content: center;
    margin-bottom: 0.75rem;
}
.tool-preview-image img {
    max-width: 100%;
    max-height: 400px;
    border-radius: var(--radius-md, 8px);
    object-fit: contain;
}
.tool-preview-info {
    font-size: 0.875rem;
    color: var(--color-text-muted, #999999);
    text-align: center;
}

/* ═══════════════════════════════════════════════════════════════════
   18. Preset Buttons (ITSWEBER-Design)
   ═══════════════════════════════════════════════════════════════════ */
.tool-presets {
    margin-bottom: 1.25rem;
}
.tool-presets-label {
    display: block;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-text, #2b2b2b);
    margin-bottom: 0.625rem;
}
.tool-presets-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}
.btn-tool-preset {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.5rem 1rem;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-primary, #15779b);
    background: var(--color-primary-bg, #e8f4fb);
    border: 1px solid rgba(21, 119, 155, 0.2);
    border-radius: 999px;
    cursor: pointer;
    white-space: nowrap;
    transition:
        background var(--duration-base, 0.22s) var(--ease, cubic-bezier(0.4, 0, 0.2, 1)),
        color var(--duration-base, 0.22s) var(--ease, cubic-bezier(0.4, 0, 0.2, 1)),
        border-color var(--duration-base, 0.22s) var(--ease, cubic-bezier(0.4, 0, 0.2, 1)),
        box-shadow var(--duration-base, 0.22s) var(--ease, cubic-bezier(0.4, 0, 0.2, 1));
}
.btn-tool-preset:hover {
    background: var(--color-primary, #15779b);
    color: #fff;
    border-color: var(--color-primary, #15779b);
    box-shadow: 0 4px 12px rgba(21, 119, 155, 0.25);
}
.btn-tool-preset:active {
    transform: scale(0.97);
}
.btn-tool-preset small {
    font-size: 0.6875rem;
    font-weight: 500;
    opacity: 0.75;
}

/* ═══════════════════════════════════════════════════════════════════
   19. Field Hints, Counters, Checkbox
   ═══════════════════════════════════════════════════════════════════ */
.tool-field-hint {
    font-size: 0.75rem;
    color: var(--color-primary, #15779b);
    line-height: 1.4;
}
.tool-field-counter {
    font-weight: 400;
    color: var(--color-text-muted, #999999);
    font-size: 0.75rem;
}
.tool-field-checkbox {
    display: flex;
    align-items: center;
}
.tool-field-checkbox label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
    cursor: pointer;
}
.tool-field-checkbox input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--color-primary, #15779b);
    cursor: pointer;
}
.tool-field-action {
    display: flex;
    align-items: flex-end;
    padding-bottom: 0.25rem;
}

/* ═══════════════════════════════════════════════════════════════════
   20. Tool Textarea
   ═══════════════════════════════════════════════════════════════════ */
.tool-textarea {
    width: 100%;
    min-height: 120px;
    padding: 0.75rem;
    font-size: 0.875rem;
    font-family: "SF Mono", "Cascadia Code", "Fira Code", "Consolas", monospace;
    color: var(--color-text, #2b2b2b);
    background: var(--color-bg, #ffffff);
    border: 1px solid var(--color-border, #efefef);
    border-radius: var(--radius-md, 8px);
    outline: none;
    resize: vertical;
    line-height: 1.6;
    transition:
        border-color var(--duration-base, 0.22s) var(--ease, cubic-bezier(0.4, 0, 0.2, 1)),
        box-shadow var(--duration-base, 0.22s) var(--ease, cubic-bezier(0.4, 0, 0.2, 1));
}
.tool-textarea:focus {
    border-color: var(--color-primary, #15779b);
    box-shadow: 0 0 0 3px rgba(21, 119, 155, 0.12);
}

/* ═══════════════════════════════════════════════════════════════════
   21. Split View (Markdown, Text Diff)
   ═══════════════════════════════════════════════════════════════════ */
.tool-split-view {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
}
.tool-split-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.625rem 1rem;
    background: var(--color-bg-alt, #f4f4f4);
    border-bottom: 1px solid var(--color-border, #efefef);
    min-height: 44px;
}
.tool-split-panel-title {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-text-light, #666666);
}
.tool-split-panel .tool-textarea {
    border: none;
    border-radius: 0;
    min-height: 350px;
}
.tool-split-panel .tool-textarea:focus {
    box-shadow: none;
    border-color: transparent;
}

/* ═══════════════════════════════════════════════════════════════════
   22. Tab System
   ═══════════════════════════════════════════════════════════════════ */
.tool-tab-buttons {
    display: flex;
    gap: 0.25rem;
}
.tool-tab-btn {
    padding: 0.375rem 0.75rem;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-text-muted, #999999);
    background: transparent;
    border: 1px solid transparent;
    border-radius: var(--radius-sm, 4px);
    cursor: pointer;
    transition:
        background var(--duration-base, 0.22s) var(--ease, cubic-bezier(0.4, 0, 0.2, 1)),
        color var(--duration-base, 0.22s) var(--ease, cubic-bezier(0.4, 0, 0.2, 1)),
        border-color var(--duration-base, 0.22s) var(--ease, cubic-bezier(0.4, 0, 0.2, 1));
}
.tool-tab-btn:hover {
    background: var(--color-bg, #ffffff);
    color: var(--color-text, #2b2b2b);
}
.tool-tab-btn.active {
    background: var(--color-bg, #ffffff);
    color: var(--color-primary, #15779b);
    border-color: var(--color-border, #efefef);
}
.tool-tab-content {
    display: none;
}
.tool-tab-content.active {
    display: block;
}

/* ═══════════════════════════════════════════════════════════════════
   23. Preview Content & Code Output
   ═══════════════════════════════════════════════════════════════════ */
.tool-preview-content {
    padding: 1rem;
    min-height: 350px;
    font-size: 0.9375rem;
    line-height: 1.7;
    color: var(--color-text, #2b2b2b);
    overflow-y: auto;
}
.tool-preview-content h1,
.tool-preview-content h2,
.tool-preview-content h3,
.tool-preview-content h4,
.tool-preview-content h5,
.tool-preview-content h6 {
    margin: 1.25rem 0 0.5rem;
    color: var(--color-text, #2b2b2b);
}
.tool-preview-content h1 { font-size: 1.75rem; }
.tool-preview-content h2 { font-size: 1.375rem; }
.tool-preview-content h3 { font-size: 1.125rem; }
.tool-preview-content p {
    margin: 0 0 0.75rem;
}
.tool-preview-content ul,
.tool-preview-content ol {
    margin: 0 0 0.75rem;
    padding-left: 1.5rem;
}
.tool-preview-content li {
    margin-bottom: 0.25rem;
}
.tool-preview-content blockquote {
    border-left: 3px solid var(--color-primary, #15779b);
    margin: 0.75rem 0;
    padding: 0.5rem 1rem;
    background: var(--color-primary-bg, #e8f4fb);
    border-radius: 0 var(--radius-sm, 4px) var(--radius-sm, 4px) 0;
    color: var(--color-text-light, #666666);
}
.tool-preview-content code {
    font-family: "SF Mono", "Cascadia Code", "Fira Code", "Consolas", monospace;
    font-size: 0.8125rem;
    background: var(--color-bg-alt, #f4f4f4);
    padding: 0.125rem 0.375rem;
    border-radius: var(--radius-sm, 4px);
    color: var(--color-primary-dark, #0f5f7d);
}
.tool-preview-content pre {
    margin: 0.75rem 0;
    padding: 1rem;
    background: var(--color-bg-alt, #f4f4f4);
    border-radius: var(--radius-md, 8px);
    overflow-x: auto;
}
.tool-preview-content pre code {
    background: none;
    padding: 0;
    font-size: 0.8125rem;
    line-height: 1.6;
}
.tool-preview-content hr {
    border: none;
    border-top: 1px solid var(--color-border, #efefef);
    margin: 1.25rem 0;
}
.tool-preview-content a {
    color: var(--color-primary, #15779b);
    text-decoration: underline;
}

.tool-code-output {
    padding: 1rem;
    background: var(--color-bg-alt, #f4f4f4);
    font-family: "SF Mono", "Cascadia Code", "Fira Code", "Consolas", monospace;
    font-size: 0.8125rem;
    line-height: 1.6;
    color: var(--color-text, #2b2b2b);
    overflow-x: auto;
    word-break: break-all;
    white-space: pre-wrap;
    min-height: 60px;
}

/* ═══════════════════════════════════════════════════════════════════
   24. Text Diff Output
   ═══════════════════════════════════════════════════════════════════ */
.tool-diff-legend {
    display: flex;
    gap: 1rem;
    padding: 0.75rem 1.5rem;
    border-bottom: 1px solid var(--color-border, #efefef);
}
.tool-diff-legend-item {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-text-light, #666666);
}
.tool-diff-legend-item::before {
    content: "";
    display: inline-block;
    width: 12px;
    height: 12px;
    border-radius: 3px;
}
.tool-diff-legend-item.tool-diff-added::before {
    background: #dcfce7;
    border: 1px solid #bbf7d0;
}
.tool-diff-legend-item.tool-diff-removed::before {
    background: #fef2f2;
    border: 1px solid #fecaca;
}
.tool-diff-output {
    padding: 1rem 1.5rem;
    font-family: "SF Mono", "Cascadia Code", "Fira Code", "Consolas", monospace;
    font-size: 0.8125rem;
    line-height: 1.7;
    overflow-x: auto;
}
.tool-diff-output pre {
    margin: 0;
}
.wt-diff-add {
    background: #dcfce7;
    color: #166534;
    padding: 0.125rem 0.25rem;
    border-radius: 2px;
}
.wt-diff-remove {
    background: #fef2f2;
    color: #991b1b;
    text-decoration: line-through;
    padding: 0.125rem 0.25rem;
    border-radius: 2px;
}

/* ═══════════════════════════════════════════════════════════════════
   25. Meta Tag Previews (template classes)
   ═══════════════════════════════════════════════════════════════════ */
.tool-meta-preview-google {
    max-width: 600px;
    padding: 1.25rem 1.5rem;
}
.tool-meta-preview-og {
    max-width: 527px;
    border: 1px solid #dadde1;
    border-radius: var(--radius-sm, 4px);
    overflow: hidden;
    margin: 0 1.5rem 1.5rem;
}
.tool-meta-og-image {
    width: 100%;
    aspect-ratio: 1.91 / 1;
    background: var(--color-bg-section, #f9f9f9);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}
.tool-meta-og-image-placeholder {
    font-size: 0.875rem;
    color: var(--color-text-muted, #999999);
}
.tool-meta-og-content {
    padding: 0.75rem 1rem;
    background: var(--color-bg-alt, #f4f4f4);
}
.tool-meta-og-sitename {
    font-size: 0.75rem;
    text-transform: uppercase;
    color: #606770;
    margin: 0 0 0.25rem;
}
.tool-meta-og-title {
    font-size: 1rem;
    font-weight: 600;
    color: #1d2129;
    line-height: 1.3;
    margin: 0 0 0.25rem;
}
.tool-meta-og-desc {
    font-size: 0.875rem;
    color: #606770;
    line-height: 1.4;
    margin: 0;
}

/* ═══════════════════════════════════════════════════════════════════
   26. Palette Swatches (JS-generated classes)
   ═══════════════════════════════════════════════════════════════════ */
.tool-palette-swatches {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 1rem;
    padding: 1.5rem;
}
.wt-swatch {
    border-radius: var(--radius-md, 8px);
    overflow: hidden;
    border: 1px solid var(--color-border, #efefef);
    background: var(--color-bg, #ffffff);
    cursor: default;
    transition:
        box-shadow var(--duration-base, 0.22s) var(--ease, cubic-bezier(0.4, 0, 0.2, 1)),
        transform var(--duration-base, 0.22s) var(--ease, cubic-bezier(0.4, 0, 0.2, 1));
}
.wt-swatch:hover {
    box-shadow: var(--shadow-md, 0 4px 16px rgba(0, 0, 0, 0.08));
    transform: translateY(-2px);
}
.wt-swatch-block {
    width: 100%;
    height: 80px;
    border-radius: 8px 8px 0 0;
}
.wt-swatch-values {
    padding: 0.5rem 0.625rem;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}
.wt-color-value {
    font-family: "SF Mono", "Cascadia Code", "Fira Code", "Consolas", monospace;
    font-size: 0.6875rem;
    color: var(--color-text-light, #666666);
    cursor: pointer;
    padding: 0.125rem 0.25rem;
    border-radius: var(--radius-sm, 4px);
    transition: background var(--duration-base, 0.22s) var(--ease, cubic-bezier(0.4, 0, 0.2, 1));
}
.wt-color-value:hover {
    background: var(--color-primary-bg, #e8f4fb);
    color: var(--color-primary, #15779b);
}
.wt-color-value.wt-copied {
    background: #dcfce7;
    color: #166534;
}

/* ═══════════════════════════════════════════════════════════════════
   27. Gradient Stop Rows (JS-generated)
   ═══════════════════════════════════════════════════════════════════ */
.wt-grad-stop-row {
    display: grid;
    grid-template-columns: 48px 1fr auto auto;
    gap: 0.75rem;
    align-items: center;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--color-border, #efefef);
}
.wt-grad-stop-row:last-child {
    border-bottom: none;
}
.wt-grad-stop-row input[type="color"] {
    width: 48px;
    height: 36px;
    padding: 2px;
    border: 1px solid var(--color-border, #efefef);
    border-radius: var(--radius-sm, 4px);
    cursor: pointer;
    background: none;
}
.wt-grad-stop-row input[type="range"] {
    width: 100%;
    min-width: 160px;
}
.wt-grad-stop-remove {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: 1px solid var(--color-border, #efefef);
    background: var(--color-bg, #ffffff);
    color: var(--color-text-muted, #999999);
    cursor: pointer;
    font-size: 1rem;
    line-height: 1;
    padding: 0;
    transition:
        color var(--duration-base, 0.22s) var(--ease, cubic-bezier(0.4, 0, 0.2, 1)),
        border-color var(--duration-base, 0.22s) var(--ease, cubic-bezier(0.4, 0, 0.2, 1));
}
.wt-grad-stop-remove:hover {
    color: #dc2626;
    border-color: #dc2626;
}
.wt-grad-stop-pos-val {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-text-muted, #999999);
    white-space: nowrap;
    min-width: 36px;
    text-align: right;
}

/* Template-based gradient stops */
.tool-gradient-stop {
    align-items: end;
}
.tool-gradient-stop .wt-gradient-stop-pos-val {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-text-muted, #999999);
}

/* ═══════════════════════════════════════════════════════════════════
   28. Result Row Enhancements
   ═══════════════════════════════════════════════════════════════════ */
.tool-result-thumb img {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm, 4px);
    object-fit: cover;
    display: block;
}
.tool-result-savings.positive {
    background: rgba(34, 197, 94, 0.1);
    color: #16a34a;
}
.tool-result-savings.negative {
    background: rgba(239, 68, 68, 0.1);
    color: #dc2626;
}
.tool-result-savings.neutral {
    background: rgba(100, 116, 139, 0.1);
    color: #64748b;
}
.tool-result-converted {
    color: var(--color-text-light, #666666);
    white-space: nowrap;
}
.tool-results-summary {
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--color-text-muted, #999999);
}

/* ═══════════════════════════════════════════════════════════════════
   29. Inline File Upload (QR logo/bg)
   ═══════════════════════════════════════════════════════════════════ */
.tool-upload-inline {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.tool-file-input-inline {
    flex: 1;
    min-height: 38px;
    padding: 0.375rem 0.5rem;
    font-size: 0.8125rem;
    color: var(--color-text, #2b2b2b);
    background: var(--color-bg, #ffffff);
    border: 1px solid var(--color-border, #efefef);
    border-radius: var(--radius-md, 8px);
    cursor: pointer;
}
.tool-file-input-inline::file-selector-button {
    padding: 0.25rem 0.625rem;
    margin-right: 0.5rem;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-primary, #15779b);
    background: var(--color-primary-bg, #e8f4fb);
    border: 1px solid rgba(21, 119, 155, 0.2);
    border-radius: var(--radius-sm, 4px);
    cursor: pointer;
    transition: background 0.2s;
}
.tool-file-input-inline::file-selector-button:hover {
    background: rgba(21, 119, 155, 0.15);
}

/* ═══════════════════════════════════════════════════════════════════
   30. QR Code Preview (template classes)
   ═══════════════════════════════════════════════════════════════════ */
.tool-qr-preview {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    background: var(--color-bg-section, #f9f9f9);
    border-bottom: 1px solid var(--color-border, #efefef);
}
.tool-qr-preview canvas {
    display: block;
    max-width: 100%;
    height: auto;
    image-rendering: pixelated;
    image-rendering: -moz-crisp-edges;
    image-rendering: crisp-edges;
}

/* ═══════════════════════════════════════════════════════════════════
   30. Responsive Additions
   ═══════════════════════════════════════════════════════════════════ */
@media (max-width: 992px) {
    .tool-split-view {
        grid-template-columns: 1fr;
    }
    .tool-palette-swatches {
        grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    }
}

@media (max-width: 640px) {
    .tool-presets-grid {
        gap: 0.375rem;
    }
    .btn-tool-preset {
        padding: 0.375rem 0.75rem;
        font-size: 0.75rem;
    }
    .tool-split-panel .tool-textarea {
        min-height: 200px;
    }
    .tool-preview-content {
        min-height: 200px;
    }
    .tool-palette-swatches {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
        padding: 1rem;
    }
    .tool-meta-preview-og {
        margin: 0 1rem 1rem;
        max-width: 100%;
    }
    .tool-meta-preview-google {
        max-width: 100%;
    }
}

/* ═══════════════════════════════════════════════════════════════════
   31. Reduced Motion
   ═══════════════════════════════════════════════════════════════════ */
@media (prefers-reduced-motion: reduce) {
    .tool-card,
    .tool-card::before,
    .tool-card-icon,
    .tool-card-btn,
    .tool-card-btn svg,
    .tool-back-link svg,
    .tool-dropzone,
    .tool-dropzone-icon svg,
    .tool-palette-swatch,
    .tool-copy-btn,
    .tool-slider::-webkit-slider-thumb,
    .btn-tool-primary,
    .btn-tool-secondary,
    .btn-tool-preset,
    .btn-tool-icon,
    .wt-swatch,
    .wt-color-value,
    .tool-tab-btn,
    .tool-field select,
    .tool-field input,
    .tool-field textarea,
    .tool-split-header .tab {
        transition: none !important;
        transform: none !important;
    }
}